#81A5FD#81A5FD

#81A5FD is a light, vivid blue. Relative luminance 0.387; OKLCH L 73.2% C 0.134 H 266.3°. Best body text is #000000 at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#81A5FD
RGB	rgb(129, 165, 253)
HSL	hsl(223, 97%, 75%)
HSV	hsv(223, 49%, 99%)
CMYK	cmyk(49%, 34.8%, 0%, 0.8%)
CIE-LAB	lab(68.51, 11.15, -47.56)
CIE-LCH	lch(68.51, 48.85, 283.20°)
OKLab	oklab(73.23% -0.0088 -0.1341)
OKLCH	oklch(73.23% 0.134 266.3)
XYZ	xyz(40.2322, 38.6666, 98.2528)
Luminance	0.3867 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81A5FD #FDD981

analogous

#81E3FD #81A5FD #9B81FD

triadic

#81A5FD #FD81A5 #A5FD81

tetradic

#81A5FD #FD81E3 #FDD981 #81FD9B

square

#81A5FD #FD81E3 #FDD981 #81FD9B

split-complementary

#81A5FD #FD9B81 #E3FD81

monochromatic

#094FFB #457AFC #81A5FD #BDD0FE #E1E9FF

Accessibility & contrast

On white

2.40

#81A5FD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.73

#81A5FD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81A5FD

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81A5FD	#FFFFFF	#000000	##000000
##81A5FD	1.00	2.40	8.73	8.73
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.73	21.00	1.00	1.00
##000000	8.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83ADFF

Deuteranopia (green-blind)

#76A2FB

Tritanopia (blue-blind)

#4BB8C5

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #81a5fd;
/* rgb */ color: rgb(129, 165, 253);
/* oklch */ color: oklch(73.2% 0.134 266.3);

Tailwind

colors: {
  custom: {
    50: '#acbffe',
    500: '#81a5fd',
    950: '#000000',
  },
}

SCSS

$custom: #81a5fd;
$custom-light: #acbffe;
$custom-dark: #000000;

JSON

{
  "hex": "#81a5fd",
  "rgb": {
    "r": 129,
    "g": 165,
    "b": 253
  },
  "hsl": {
    "h": 222.581,
    "s": 96.875,
    "l": 74.902
  },
  "oklch": {
    "l": 0.73228,
    "c": 0.13435,
    "h": 266.3
  },
  "luminance": 0.38669
}

Semantic roles & 50–950 ramp

primary

#81A5FD

secondary

#F7EDD4

accent

#A300E6

background

#FBFBFF

surface

#F6F6FF

border

#D0D0D7

text

#111218

muted

#808186

Preview Lab

Preview with #81A5FD

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →